docs: def sendConnect(self, data):
          """Send a CONNECT command to the broker
              :param data: List of other broker main socket URL"""
          # Imported dynamically - Not used if only one broker
          if self.backend == 'ZMQ':
              import zmq
              self.context = zmq.Context()
              self.socket = self.context.socket(zmq.DEALER)
              self.socket.setsockopt(zmq.IDENTITY, b'launcher')
              self.socket.connect(
                  "tcp://127.0.0.1:{port}".format(
                      port=self.brokerPort,
                  )
              )
              self.socket.send_multipart([b"CONNECT",
                                          pickle.dumps(data,
                                                       pickle.HIGHEST_PROTOCOL)])
          else:
              # TODO
              pass